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BS EN 88-1:2022

BS EN 88-1:2022

$198.66

Safety and control devices for gas burners and gas burning appliances – Pressure regulators for inlet pressures up to and including 50 kPa

Published By Publication Date Number of Pages
BSI 2022 62
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EN 13611:2019, Clause 1 applies with the following modification and addition: Modification: The 1st paragraph of EN 13611:2019, Clause 1 is replaced by: This document specifies the safety, design, construction, and performance requirements and testing for pressure regulators and pneumatic gas/air ratio pressure regulators (zero pressure regulators are included as a special type of pneumatic gas/air ratio pressure regulators) for burners and appliances burning one or more gaseous fuels, hereafter referred to as “pressure regulators”. This document is applicable to pressure regulators with declared maximum inlet pressures up to and including 50 kPa and of nominal connection sizes up to and including DN 250. Addition: This document is applicable to: – pressure regulators which use auxiliary energy; – pneumatic gas/air ratio pressure regulators, which function by controlling a gas outlet pressure in response to an air signal pressure, air signal differential pressure, and/or to a furnace pressure signal (zero pressure regulators are included as a special type of pneumatic gas/air ratio pressure regulators); – pneumatic gas/air ratio pressure regulators, which change an air outlet pressure in response to a gas signal pressure or a gas signal differential pressure. This document is not applicable to: – pressure regulators connected directly to a gas distribution network or to a container that maintains a standard distribution pressure; – pressure regulators intended for gas appliances to be installed in the open air and exposed to the environment; – mechanically linked gas/air ratio controls; – electronic gas/air ratio controls (EN 12067 2:2022). The 4th paragraph of EN 13611:2019, Clause 1 is removed.

PDF Catalog

PDF Pages PDF Title
2 undefined
10 1 Scope
11 2 Normative references
3 Terms and definitions
15 4 Classification
4.1 Classes of control
4.2 Groups of control
16 4.3 Classes of control functions
4.4 Types of DC supplied controls
5 Test conditions and uncertainty of measurements
6 Design and construction
6.1 General
6.2 Mechanical parts of the control
6.2.1 Appearance
6.2.2 Holes
6.2.3 Breather holes
6.2.3.1 Requirements
6.2.3.2 Test for leakage of breather holes
17 6.2.4 Screwed fastenings
6.2.5 Jointing
6.2.6 Moving parts
6.2.7 Sealing caps
6.2.8 Dismantling and reassembly
6.2.9 Auxiliary canals and orifices
6.2.10 Presetting device
6.2.101 Adjustments
6.2.102 Resistance to pressure
6.2.103 Signal tube connections
18 6.3 Materials
6.3.1 General material requirements
6.3.2 Housing
6.3.2.1 Requirements
6.3.2.2 Test
6.3.3 Zinc alloys
6.3.4 Springs
6.3.5 Resistance to corrosion and surface protection
6.3.6 Impregnation
6.3.7 Seals for glands for moving parts
6.4 Gas connections
6.5 Electrical parts of the control
6.5.1 General
6.5.2 Switching elements
6.5.3 Electrical components
6.6 Protection against internal faults for the purpose of functional safety
19 7 Performance
7.1 General
7.2 Leak-tightness
7.2.1 Requirements
7.2.2 Tests
7.2.2.1 General
7.2.2.2 External leak-tightness
7.2.2.3 Internal leak-tightness
7.2.101 External leak-tightness for gas signal carrying compartment(s)
7.2.102 External leak-tightness for air signal carrying compartment(s)
7.3 Torsion and bending
7.4 Rated flow rate
7.4.1 Requirements
7.4.2 Test
20 7.4.3 Conversion of air flow rate
7.5 Durability
7.6 Performance tests for electronic controls
7.7 Long-term performance for electronic controls
7.8 Data exchange
7.101 Pressure regulator performance
7.101.1 General
21 7.101.2 General test procedure
7.101.2.1 Apparatus
23 7.101.2.2 Conversion of the air flow rate
7.101.2.3 Methods of test
7.101.3 Class A pressure regulator performance
7.101.3.1 Requirement
7.101.3.2 Test
24 7.101.4 Class B pressure regulator performance
7.101.4.1 Requirement
7.101.4.2 Test
7.101.5 Class C pressure regulator performance
7.101.5.1 Requirement
25 7.101.5.2 Test
7.101.6 Endurance
7.101.6.1 Requirement
7.101.6.2 Test
26 7.101.7 Lock-up pressure
7.101.7.1 Requirement
7.101.7.2 Test
7.101.8 Rendered inoperative pressure regulators
7.101.8.1 Requirement
7.101.8.2 Test
27 7.102 Pneumatic gas/air ratio pressure regulator performance
7.102.1 General
7.102.2 General test procedure
7.102.2.1 Apparatus
7.102.2.2 Conversion of the air flow rate
7.102.3 Control performance and stability
7.102.3.1 Control performance requirement
7.102.3.2 Stability requirement
7.102.3.3 Test
29 7.102.4 Settling time
7.102.4.1 Requirement
30 7.102.4.2 Test
7.102.5 Gas/air ratio adjustment
7.102.5.1 Requirement
7.102.5.2 Test
7.102.6 Offset adjustment
7.102.6.1 Requirement
7.102.6.2 Test
7.102.7 Endurance
7.102.7.1 Requirement
7.102.7.2 Test
31 8 Electrical requirements
8.1 General
8.2 Protection by enclosure
8.101 Plug connections
9 Electromagnetic compatibility (EMC)
9.1 Protection against environmental influences
9.2 Supply voltage variations below 85 % of rated voltage
9.3 Voltage dips and interruptions
9.4 Supply frequency variations
32 9.5 Surge immunity tests
9.6 Electrical fast transient/burst
9.7 Immunity to conducted disturbances induced by radio frequency fields
9.8 Immunity to radiated disturbances induced by radio frequency fields
9.9 Electrostatic discharge tests
9.10 Power frequency magnetic field immunity tests
9.11 Harmonics and interharmonics including mains signalling at a. c. power port, low frequency immunity tests
10 Marking, instructions
10.1 Marking
33 10.2 Instructions
34 10.3 Warning notice
35 Annex A (informative)Abbreviations and Symbols
36 Annex B (informative)Leak-tightness test for gas controls – volumetric method
37 Annex C (informative)Leak-tightness test for gas controls – pressure loss method
38 Annex D (normative)Calculation of pressure loss into leakage rate
39 Annex E (normative)Electrical/electronic component fault modes
40 Annex F (normative)Additional requirements for safety accessories and pressure accessories as defined in EU Directive 2014/68/EU
41 Annex G (normative)Materials for pressurized parts
42 Annex H (normative)Additional materials for pressurized parts
43 Annex I (normative)Requirements for controls used in DC supplied burners and appliances burning gaseous or liquid fuels
44 Annex J (normative)Method for the determination of a Safety Integrity Level (SIL)
45 Annex K (normative)Method for the determination of a Peformance Level (PL)
46 Annex L (informative)Relationship between Safety Integrity Level (SIL) and Peformance Level (PL)
47 Annex M (normative)Reset functions
48 Annex N (informative)Guidance document on Environmental Aspects
49 Annex O (normative)Seals of elastomer, cork and synthetic fibre mixtures
50 Annex AA (informative)Typical pressure regulators and pressure regulator parts
51 Annex BB (informative)Overview of requirements and test conditions (as given in 7.101), and examples of performance curves for pressure regulators
58 Annex ZA (informative)Relationship between this European Standard and the essential requirements of Regulation (EU) 2016/426 aimed to be covered

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BS EN 88-1:2022
$198.66